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JP2002536195A |
A grinding tool for grinding buttons of a rock drill bit includes a spindle having a longitudinal axis of rotation, and a grinding cup mounted on the spindle by a tongue-and-socket connection. A fastener in the form of a coil spring secu...
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JP3333627B2 |
PURPOSE: To improve durability of an elastic body in the case where vibration or eccentricity of a tool is absorbed by providing the elastic body between a spindle and the tool in a rotary grinding tool such as grinder, sander or polishe...
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JP2002533226A |
(57) [Summary] The present invention is under the influence of wear with a geometrically indefinite cutting edge that extends around the center hole of the base on the first grinding surface of the base on the first circular region of th...
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JP2002283229A |
To reduce a burden of an operator in this kind of work by automatically controlling attachment-detachment of a wheel center body and a flange member, and going in and out of a grinding wheel from a housing magazine.This housing device is...
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JP2002239900A |
To provide a dressing method for a grinding wheel for maintaining sharpness by reducing the frequency of dressing while maintaining good sharpness of the grinding wheel, performing dressing work at an accurate timing and maintaining furt...
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JP2002239899A |
To maintain a good product appearance even after wheel balancing by improving a method of adjusting the weight at a position corresponding to the gravity center of static balance in wheel balancing of a rotary grinding wheel having a plu...
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JP2002233972A |
To reduce dangerousness that a receptacle opening is abrased and to guarantee transmission of high torque in work for a long period of time.An electric power tool having a receptacle to fix a tool on a driveshaft 16 is disclosed. The rec...
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JP2002219648A |
To mount a blade on a spindle and prevent losing a rotation balance at rotating of the spindle in a cutting device with the blade mounted on the spindle.At a temperature of environment in using the cutting device, a size L1 of a part 30 ...
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JP2002219647A |
To provide a roll grinding machine allowing easily and rapidly attaching/detaching a grinding wheel to/from a grinding wheel spindle.This roll grinding machine comprises a main spindle stand 61 comprising a main spindle center for rotati...
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JP2002203820A |
To provide an apparatus for manufacturing a semiconductor where a spin and a head can be easily clamped.This apparatus comprises the rotatable spin 120, the head 110 separatably clamped to the spin 120, and a clamp member 130 for clampin...
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JP3296818B2 |
PCT No. PCT/SE93/00509 Sec. 371 Date Feb. 21, 1995 Sec. 102(e) Date Feb. 21, 1995 PCT Filed Jun. 9, 1993 PCT Pub. No. WO93/25346 PCT Pub. Date Dec. 23, 1993This invention relates to a vibration dampening grinding cup for handheld grindin...
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JP2002518189A |
A dispenser and method for attaching abrasive sheets to a backup pad. The dispenser conveniently centers on the backup pad an abrasive sheet that is larger than the backup pad. In a preferred embodiment, the dispenser comprises: a holder...
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JP3295896B2 |
PURPOSE: To provide a universal forming grinding wheel and an electrolytic dressing method, capable OF coping with various grinding wheel forms and being manufacturable inexpensively in a short time. CONSTITUTION: A universal forming gri...
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JP3293270B2 |
PURPOSE: To expand the application scope of a honing machine by converting a hone guide to guide a hone head, in a common part regardless of the sort of the honing machine. CONSTITUTION: A hone guide 14 to guide a connecting member 11 wi...
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JP2002154054A |
To provide an attaching mechanism for a cutting blade capable of preventing fall-off of the cutting blade by ensuring a holding force of the cutting blade regardless of a rotating direction of the rotary shaft, without requiring an exclu...
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JP3285870B2 |
PCT No. PCT/EP94/00789 Sec. 371 Date Sep. 14, 1995 Sec. 102(e) Date Sep. 14, 1995 PCT Filed Mar. 14, 1994 PCT Pub. No. WO94/21995 PCT Pub. Date Sep. 2, 1994An apparatus for balancing a rotating body, in particular the grinding wheel of a...
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JP3280715B2 |
PURPOSE: To prevent over-tightening of a screw member beyond a set value and make its removal easy by providing a torque transmitting member between a screw member and an operating ring, and also providing an one-side torque limitter whi...
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JP2002127004A |
To provide a gear forming grinder having concentrated machining processes for machining a gear with one grinder.The gear forming grinder comprises a work holder 1 for holding a work W, a work former 2 having a grinding wheel for forming ...
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JP2002513120A |
A threaded fastener arranged to engage with a threaded shaft and tighten an object to the shaft by stretching the threaded shaft approximately parallel to its own axis. The threaded fastener is arranged so that when screwed on to the sha...
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JP2002113658A |
To provide a grinding tool and a method and a device for grinding using the grinding tool capable of efficiently performing the corner making process without changing steps.The grinding tool 11 comprises a base part 21 having an attachin...
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JP2002113654A |
To provide an end surface polishing device with improved working efficiency by automatically changing a polishing member for polishing the end surface of a ferrule, and to provide an end surface polishing/washing device for executing the...
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JP2002507939A |
A machine tool, particularly for grinding workpieces, has a single rotatable spindle (2) carrying a fixed cup-shaped inner grinding wheel (8) and an axially slidable cup-shaped outer grinding wheel (22). A T-shaped annular piston (14) en...
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JP2002046063A |
To produce a clamping force for preventing unintended loosening of the clamping nut and the relative rotation of the tool with friction lining by the clamping of the tool.This hand machine tool is for a disc-shaped tool 18, of the type i...
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JP2002028857A |
To provide an angle grinding device capable of extremely facilitating attaching/detaching of a grinding wheel, shortening attaching/detaching time by tens of seconds and safely performing angle grinding.This angle grinding device 1 for s...
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JP2002028856A |
To provide a grinding wheel flange assembly allowing easy replacement of a grinding wheel tip for grinding workpiece.This grinding wheel flange assembly 1 for grinding the workpiece by fixing the grinding wheel tip part 3 to a lower surf...
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JP3247184B2 |
PURPOSE: To replace a grinding wheel having a holder automatically without using manpower by arranging a grinding wheel stand to store the grinding wheel having the holder in a plurality, and arranging a grinding wheel mounting and demou...
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JP3243635B2 |
To inhibit the center of a rotating tool from being displaced in the axial direction by forming respective static pressure bearing structures disposed at both the right/left positions of the rotating tool into a bilateral symmetry struct...
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JP3244718B2 |
A device for axially clamping a rotary tool element fitted on a spindle of a power driven tool or the like includes a first flange and a second flange. The first flange is mounted on the spindle and has an inner part rotatable with the s...
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JP2001328066A |
To provide a grinding tool for a processor and a grinding method using it capable of conducting a cutting work and a grinding work at a machining center, and grinding a three-dimensional curved surface with high precision.The grinding to...
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JP2001522731A |
A backup pad for engaging and supporting abrasive sheets, the backup pad being mounted securely to a drive shaft to prevent relative rotation thereto, and to allow easy mounting and dismounting of the backup pad to the mounting shaft wit...
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JP2001522730A |
The invention relates to a fastener (11) for use with a rotary surface treating element (10). The fastener (11) comprises a base including front surface and a rear surface and a fastener member extending from the rear surface. The fasten...
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JP2001310258A |
To provide a structure for mounting a grinding wheel to a grinder allowing easy attaching/detaching of the grinding wheel to/from a rotating shaft without requiring a dedicated mounting nut.The grinding wheel 2 and a joint member 3 for h...
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JP2001520733A |
A clamping device for holding a rotating tool or stationary object to a threaded shaft of a power tool or machine includes a body member having an annular ring configured therewith. The annular ring has at least two concentric ramped bea...
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JP2001293657A |
To provide a mounting device of a disk-shaped rotating tool allowing easy and certain centering of the disk-shaped rotating tool and a tool mounting shaft, when the rotating tool is mounted to the shaft. In the mounting device of the dis...
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JP3209818B2 |
PURPOSE: To provide a cutting blade construction of a dicing device which is well balanced after installation and easily detachable by providing a cylindrical third fitting part on a base seat and also providing a fourth fitting part fit...
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JP2001246557A |
To provide a simple and small-sized grinding device capable of performing a grinding work in a short time without applying a great labor to a worker.In this single face grinding device 1, a grinding mount part 4 is formed on a spindle 2....
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JP2001513032A |
(57) [Summary] The hand-held unit driven by the motor has a shaft (10) driven by the motor, and this shaft (10) is supported by a bearing (13) in the holding portion (16) of the casing portion (12). It also supports the fan impeller (14)...
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JP2001232630A |
To provide a drilling machine for a brittle material for a drill to be detachably fixed to a drill rod surely by a lock coupling part and capable of a transmitting a drilling torque.For the purpose of relatively accurate positioning, a d...
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JP2001225230A |
To provide a tightener that has a structure, for tightening a tapered hollow shaft 2 or the like having a slant face 8 or tightening extending slantingly inside a hollow shaft receiving space 7, wherein tightening jaws 6 provided on an o...
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JP2001205560A |
To prevent falling-off of a grinding stone by intensifying the connection between the grinding stone and a wheel base and enhance the grinding accuracy by equalizing the quality of the grinding stone in the grinding wheel with the grindi...
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JP3194697B2 |
To make stable grinding possible even in the case where a wide grinding wheel is rotated at high peripheral speed. A connecting flange 5 is severally abutted from both the right and left sides across a joining part A between a grinding w...
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JP2001179565A |
To provide a machining center capable of performing the accurate finish work in the case of cutting and grinding. A finish grinding wheel 5 for finishing a work W is fixed to a spindle 4. The spindle 4 is formed with a tool fitting part ...
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JP2001179582A |
To provide a simple and small edge grinding device that does not load large labor to a worker and can perform edge grinding in a short time. A grinding wheel mounting part 13 is formed on a rotation shaft 11 of an edge grinding part 3 of...
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JP2001508338A |
A rotary surface treatment tool is attached to a rotational driver with a kit. The surface treatment tool includes a base with a middle portion around a center hole, and one or more attachment knobs are placed on the front side of the mi...
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JP2001170863A |
To save the time and labor to set the rotating speed of the rotation axis of a body of rotation.(1) A balancer mechanism part for fixing a disc-like grinding wheel to the grinding wheel spindle through a flange having a ring-like groove ...
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JP3174056B2 |
PCT No. PCT/DE92/00735 Sec. 371 Date Mar. 21, 1994 Sec. 102(e) Date Mar. 21, 1994 PCT Filed Sep. 3, 1991 PCT Pub. No. WO93/05927 PCT Pub. Date Apr. 1, 1993.A motor-driven hand-held machine tool with spindle brake, in particular an angle ...
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JP2001150342A |
To reduce the weight without deteriorating mechanical strength.A hydraulic flange 20 is constituted of a hydraulic part 21, a flange main body 22, a flange part 23 having the diameter extended on one end of the flange main body 22, and a...
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JP2001150208A |
To easily loosen a flange in a movable side in the case a tool is removed from a spindle, in a device for fixing the tool of grinding wheel or the like to the spindle of a grinder.This device, fixing to a spindle a tool 7 interposed betw...
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JP2001150270A |
To enhance the squareness of a grinding tool or cutting tool and a hydraulic flange.The hydraulic flange 20 is provided with a flange body 22, a flange portion 23 increased in diameter by one step at one end of the flange body 22, and a ...
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JP2001150355A |
To improve the perpendicularity of a grinding tool or a cutting tool and a hydraulic flange.This hydraulic flange is composed of a flange body 22, an enlarged flange part 23 on one end of the flange body 22, and a clamp member 27 for fix...
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